include/acpi/acpixf.h - kernel/msm-4.9 - Gitiles

 /******************************************************************************
  *
  * Name: acpixf.h - External interfaces to the ACPI subsystem
  *
  *****************************************************************************/

 /*
  * Copyright (C) 2000 - 2013, Intel Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions, and the following disclaimer,
  *    without modification.
  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  *    substantially similar to the "NO WARRANTY" disclaimer below
  *    ("Disclaimer") and any redistribution must be conditioned upon
  *    including a substantially similar Disclaimer requirement for further
  *    binary redistribution.
  * 3. Neither the names of the above-listed copyright holders nor the names
  *    of any contributors may be used to endorse or promote products derived
  *    from this software without specific prior written permission.
  *
  * Alternatively, this software may be distributed under the terms of the
  * GNU General Public License ("GPL") version 2 as published by the Free
  * Software Foundation.
  *
  * NO WARRANTY
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGES.
  */

 #ifndef __ACXFACE_H__
 #define __ACXFACE_H__

 /* Current ACPICA subsystem version in YYYYMMDD format */

 #define ACPI_CA_VERSION                 0x20130117

 #include <acpi/acconfig.h>
 #include <acpi/actypes.h>
 #include <acpi/actbl.h>
 #include <acpi/acbuffer.h>

 extern u8 acpi_gbl_permanent_mmap;

 /*
  * Globals that are publically available
  */
 extern u32 acpi_current_gpe_count;
 extern struct acpi_table_fadt acpi_gbl_FADT;
 extern u8 acpi_gbl_system_awake_and_running;
 extern u8 acpi_gbl_reduced_hardware;	/* ACPI 5.0 */

 /* Runtime configuration of debug print levels */

 extern u32 acpi_dbg_level;
 extern u32 acpi_dbg_layer;

 /* ACPICA runtime options */

 extern u8 acpi_gbl_enable_interpreter_slack;
 extern u8 acpi_gbl_all_methods_serialized;
 extern u8 acpi_gbl_create_osi_method;
 extern u8 acpi_gbl_use_default_register_widths;
 extern acpi_name acpi_gbl_trace_method_name;
 extern u32 acpi_gbl_trace_flags;
 extern bool acpi_gbl_enable_aml_debug_object;
 extern u8 acpi_gbl_copy_dsdt_locally;
 extern u8 acpi_gbl_truncate_io_addresses;
 extern u8 acpi_gbl_disable_auto_repair;

 /*
  * Hardware-reduced prototypes. All interfaces that use these macros will
  * be configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
  * is set to TRUE.
  */
 #if (!ACPI_REDUCED_HARDWARE)
 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
 	prototype;

 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
 	prototype;

 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
 	prototype;

 #else
 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
 	static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}

 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
 	static ACPI_INLINE prototype {return(AE_OK);}

 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
 	static ACPI_INLINE prototype {}

 #endif				/* !ACPI_REDUCED_HARDWARE */

 extern u32 acpi_rsdt_forced;
 /*
  * Initialization
  */
 acpi_status
 acpi_initialize_tables(struct acpi_table_desc *initial_storage,
 		       u32 initial_table_count, u8 allow_resize);

 acpi_status __init acpi_initialize_subsystem(void);

 acpi_status acpi_enable_subsystem(u32 flags);

 acpi_status acpi_initialize_objects(u32 flags);

 acpi_status acpi_terminate(void);

 /*
  * Miscellaneous global interfaces
  */
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
 #ifdef ACPI_FUTURE_USAGE
 acpi_status acpi_subsystem_status(void);
 #endif

 #ifdef ACPI_FUTURE_USAGE
 acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer);
 #endif

 const char *acpi_format_exception(acpi_status exception);

 acpi_status acpi_purge_cached_objects(void);

 acpi_status acpi_install_interface(acpi_string interface_name);

 acpi_status acpi_remove_interface(acpi_string interface_name);

 u32
 acpi_check_address_range(acpi_adr_space_type space_id,
 			 acpi_physical_address address,
 			 acpi_size length, u8 warn);

 acpi_status
 acpi_decode_pld_buffer(u8 *in_buffer,
 		       acpi_size length, struct acpi_pld_info **return_buffer);

 /*
  * ACPI Memory management
  */
 void *acpi_allocate(u32 size);

 void *acpi_callocate(u32 size);

 void acpi_free(void *address);

 /*
  * ACPI table load/unload interfaces
  */
 acpi_status acpi_load_table(struct acpi_table_header *table);

 acpi_status acpi_unload_parent_table(acpi_handle object);

 acpi_status acpi_load_tables(void);

 /*
  * ACPI table manipulation interfaces
  */
 acpi_status acpi_reallocate_root_table(void);

 acpi_status acpi_find_root_pointer(acpi_size *rsdp_address);

 acpi_status acpi_unload_table_id(acpi_owner_id id);

 acpi_status
 acpi_get_table_header(acpi_string signature,
 		      u32 instance, struct acpi_table_header *out_table_header);

 acpi_status
 acpi_get_table_with_size(acpi_string signature,
 	       u32 instance, struct acpi_table_header **out_table,
 	       acpi_size *tbl_size);
 acpi_status
 acpi_get_table(acpi_string signature,
 	       u32 instance, struct acpi_table_header **out_table);

 acpi_status
 acpi_get_table_by_index(u32 table_index, struct acpi_table_header **out_table);

 acpi_status
 acpi_install_table_handler(acpi_table_handler handler, void *context);

 acpi_status acpi_remove_table_handler(acpi_table_handler handler);

 /*
  * Namespace and name interfaces
  */
 acpi_status
 acpi_walk_namespace(acpi_object_type type,
 		    acpi_handle start_object,
 		    u32 max_depth,
 		    acpi_walk_callback pre_order_visit,
 		    acpi_walk_callback post_order_visit,
 		    void *context, void **return_value);

 acpi_status
 acpi_get_devices(const char *HID,
 		 acpi_walk_callback user_function,
 		 void *context, void **return_value);

 acpi_status
 acpi_get_name(acpi_handle object,
 	      u32 name_type, struct acpi_buffer *ret_path_ptr);

 acpi_status
 acpi_get_handle(acpi_handle parent,
 		acpi_string pathname, acpi_handle * ret_handle);

 acpi_status
 acpi_attach_data(acpi_handle object, acpi_object_handler handler, void *data);

 acpi_status acpi_detach_data(acpi_handle object, acpi_object_handler handler);

 acpi_status
 acpi_get_data(acpi_handle object, acpi_object_handler handler, void **data);

 acpi_status
 acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags);

 /*
  * Object manipulation and enumeration
  */
 acpi_status
 acpi_evaluate_object(acpi_handle object,
 		     acpi_string pathname,
 		     struct acpi_object_list *parameter_objects,
 		     struct acpi_buffer *return_object_buffer);

 acpi_status
 acpi_evaluate_object_typed(acpi_handle object,
 			   acpi_string pathname,
 			   struct acpi_object_list *external_params,
 			   struct acpi_buffer *return_buffer,
 			   acpi_object_type return_type);

 acpi_status
 acpi_get_object_info(acpi_handle object,
 		     struct acpi_device_info **return_buffer);

 acpi_status acpi_install_method(u8 *buffer);

 acpi_status
 acpi_get_next_object(acpi_object_type type,
 		     acpi_handle parent,
 		     acpi_handle child, acpi_handle * out_handle);

 acpi_status acpi_get_type(acpi_handle object, acpi_object_type * out_type);

 acpi_status acpi_get_id(acpi_handle object, acpi_owner_id * out_type);

 acpi_status acpi_get_parent(acpi_handle object, acpi_handle * out_handle);

 /*
  * Handler interfaces
  */
 acpi_status
 acpi_install_initialization_handler(acpi_init_handler handler, u32 function);

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_install_global_event_handler
 				(acpi_gbl_event_handler handler, void *context))

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				 acpi_install_fixed_event_handler(u32
 								  acpi_event,
 								  acpi_event_handler
 								  handler,
 								  void
 								  *context))
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				 acpi_remove_fixed_event_handler(u32 acpi_event,
 								 acpi_event_handler
 								 handler))
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				 acpi_install_gpe_handler(acpi_handle
 							  gpe_device,
 							  u32 gpe_number,
 							  u32 type,
 							  acpi_gpe_handler
 							  address,
 							  void *context))
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				 acpi_remove_gpe_handler(acpi_handle gpe_device,
 							 u32 gpe_number,
 							 acpi_gpe_handler
 							 address))
 acpi_status acpi_install_notify_handler(acpi_handle device, u32 handler_type,
 					acpi_notify_handler handler,
 					void *context);

 acpi_status
 acpi_remove_notify_handler(acpi_handle device,
 			   u32 handler_type, acpi_notify_handler handler);

 acpi_status
 acpi_install_address_space_handler(acpi_handle device,
 				   acpi_adr_space_type space_id,
 				   acpi_adr_space_handler handler,
 				   acpi_adr_space_setup setup, void *context);

 acpi_status
 acpi_remove_address_space_handler(acpi_handle device,
 				  acpi_adr_space_type space_id,
 				  acpi_adr_space_handler handler);

 #ifdef ACPI_FUTURE_USAGE
 acpi_status acpi_install_exception_handler(acpi_exception_handler handler);
 #endif

 acpi_status acpi_install_interface_handler(acpi_interface_handler handler);

 /*
  * Global Lock interfaces
  */
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_acquire_global_lock(u16 timeout,
 							 u32 *handle))
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_release_global_lock(u32 handle))

 /*
  * Interfaces to AML mutex objects
  */
 acpi_status
 acpi_acquire_mutex(acpi_handle handle, acpi_string pathname, u16 timeout);

 acpi_status acpi_release_mutex(acpi_handle handle, acpi_string pathname);

 /*
  * Fixed Event interfaces
  */
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_enable_event(u32 event, u32 flags))

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_disable_event(u32 event, u32 flags))

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_get_event_status(u32 event,
 						      acpi_event_status
 						      *event_status))
 /*
  * General Purpose Event (GPE) Interfaces
  */
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_enable_gpe(acpi_handle gpe_device,
 						u32 gpe_number))

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_disable_gpe(acpi_handle gpe_device,
 						 u32 gpe_number))

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_clear_gpe(acpi_handle gpe_device,
 					       u32 gpe_number))

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_set_gpe(acpi_handle gpe_device,
 					     u32 gpe_number, u8 action))

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_finish_gpe(acpi_handle gpe_device,
 						u32 gpe_number))

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_setup_gpe_for_wake(acpi_handle
 							parent_device,
 							acpi_handle gpe_device,
 							u32 gpe_number))
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				 acpi_set_gpe_wake_mask(acpi_handle gpe_device,
 							u32 gpe_number,
 							u8 action))
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				 acpi_get_gpe_status(acpi_handle gpe_device,
 						     u32 gpe_number,
 						     acpi_event_status
 						     *event_status))

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_get_gpe_device(u32 gpe_index,
 						    acpi_handle * gpe_device))

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_install_gpe_block(acpi_handle gpe_device,
 						       struct
 						       acpi_generic_address
 						       *gpe_block_address,
 						       u32 register_count,
 						       u32 interrupt_number))
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				 acpi_remove_gpe_block(acpi_handle gpe_device))

 /*
  * Resource interfaces
  */
 typedef
 acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
 					   void *context);

 acpi_status
 acpi_get_vendor_resource(acpi_handle device,
 			 char *name,
 			 struct acpi_vendor_uuid *uuid,
 			 struct acpi_buffer *ret_buffer);

 acpi_status
 acpi_get_current_resources(acpi_handle device, struct acpi_buffer *ret_buffer);

 #ifdef ACPI_FUTURE_USAGE
 acpi_status
 acpi_get_possible_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
 #endif

 acpi_status
 acpi_get_event_resources(acpi_handle device_handle,
 			 struct acpi_buffer *ret_buffer);

 acpi_status
 acpi_walk_resource_buffer(struct acpi_buffer *buffer,
 			  acpi_walk_resource_callback user_function,
 			  void *context);

 acpi_status
 acpi_walk_resources(acpi_handle device,
 		    char *name,
 		    acpi_walk_resource_callback user_function, void *context);

 acpi_status
 acpi_set_current_resources(acpi_handle device, struct acpi_buffer *in_buffer);

 acpi_status
 acpi_get_irq_routing_table(acpi_handle device, struct acpi_buffer *ret_buffer);

 acpi_status
 acpi_resource_to_address64(struct acpi_resource *resource,
 			   struct acpi_resource_address64 *out);

 acpi_status
 acpi_buffer_to_resource(u8 *aml_buffer,
 			u16 aml_buffer_length,
 			struct acpi_resource **resource_ptr);

 /*
  * Hardware (ACPI device) interfaces
  */
 acpi_status acpi_reset(void);

 acpi_status acpi_read(u64 *value, struct acpi_generic_address *reg);

 acpi_status acpi_write(u64 value, struct acpi_generic_address *reg);

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_read_bit_register(u32 register_id,
 						       u32 *return_value))

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_write_bit_register(u32 register_id,
 							u32 value))

 /*
  * Sleep/Wake interfaces
  */
 acpi_status
 acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b);

 acpi_status acpi_enter_sleep_state_prep(u8 sleep_state);

 acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state);

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void))

 acpi_status acpi_leave_sleep_state_prep(u8 sleep_state);

 acpi_status acpi_leave_sleep_state(u8 sleep_state);

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_set_firmware_waking_vector(u32
 								physical_address))

 #if ACPI_MACHINE_WIDTH == 64
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_set_firmware_waking_vector64(u64
 								  physical_address))
 #endif
 /*
  * ACPI Timer interfaces
  */
 #ifdef ACPI_FUTURE_USAGE
 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_get_timer_resolution(u32 *resolution))

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))

 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 				acpi_get_timer_duration(u32 start_ticks,
 							u32 end_ticks,
 							u32 *time_elapsed))
 #endif				/* ACPI_FUTURE_USAGE */

 /*
  * Error/Warning output
  */
 void ACPI_INTERNAL_VAR_XFACE
 acpi_error(const char *module_name,
 	   u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);

 void ACPI_INTERNAL_VAR_XFACE
 acpi_exception(const char *module_name,
 	       u32 line_number,
 	       acpi_status status, const char *format, ...) ACPI_PRINTF_LIKE(4);

 void ACPI_INTERNAL_VAR_XFACE
 acpi_warning(const char *module_name,
 	     u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);

 void ACPI_INTERNAL_VAR_XFACE
 acpi_info(const char *module_name,
 	  u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);

 void ACPI_INTERNAL_VAR_XFACE
 acpi_bios_error(const char *module_name,
 		u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);

 void ACPI_INTERNAL_VAR_XFACE
 acpi_bios_warning(const char *module_name,
 		  u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);

 /*
  * Debug output
  */
 #ifdef ACPI_DEBUG_OUTPUT

 void ACPI_INTERNAL_VAR_XFACE
 acpi_debug_print(u32 requested_debug_level,
 		 u32 line_number,
 		 const char *function_name,
 		 const char *module_name,
 		 u32 component_id, const char *format, ...) ACPI_PRINTF_LIKE(6);

 void ACPI_INTERNAL_VAR_XFACE
 acpi_debug_print_raw(u32 requested_debug_level,
 		     u32 line_number,
 		     const char *function_name,
 		     const char *module_name,
 		     u32 component_id,
 		     const char *format, ...) ACPI_PRINTF_LIKE(6);
 #endif

 #endif				/* __ACXFACE_H__ */
	/******************************************************************************
	*
	* Name: acpixf.h - External interfaces to the ACPI subsystem
	*
	*****************************************************************************/

	/*
	* Copyright (C) 2000 - 2013, Intel Corp.
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions, and the following disclaimer,
	* without modification.
	* 2. Redistributions in binary form must reproduce at minimum a disclaimer
	* substantially similar to the "NO WARRANTY" disclaimer below
	* ("Disclaimer") and any redistribution must be conditioned upon
	* including a substantially similar Disclaimer requirement for further
	* binary redistribution.
	* 3. Neither the names of the above-listed copyright holders nor the names
	* of any contributors may be used to endorse or promote products derived
	* from this software without specific prior written permission.
	*
	* Alternatively, this software may be distributed under the terms of the
	* GNU General Public License ("GPL") version 2 as published by the Free
	* Software Foundation.
	*
	* NO WARRANTY
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
	* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
	* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
	* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	* POSSIBILITY OF SUCH DAMAGES.
	*/

	#ifndef __ACXFACE_H__
	#define __ACXFACE_H__

	/* Current ACPICA subsystem version in YYYYMMDD format */

	#define ACPI_CA_VERSION 0x20130117

	#include <acpi/acconfig.h>
	#include <acpi/actypes.h>
	#include <acpi/actbl.h>
	#include <acpi/acbuffer.h>

	extern u8 acpi_gbl_permanent_mmap;

	/*
	* Globals that are publically available
	*/
	extern u32 acpi_current_gpe_count;
	extern struct acpi_table_fadt acpi_gbl_FADT;
	extern u8 acpi_gbl_system_awake_and_running;
	extern u8 acpi_gbl_reduced_hardware; /* ACPI 5.0 */

	/* Runtime configuration of debug print levels */

	extern u32 acpi_dbg_level;
	extern u32 acpi_dbg_layer;

	/* ACPICA runtime options */

	extern u8 acpi_gbl_enable_interpreter_slack;
	extern u8 acpi_gbl_all_methods_serialized;
	extern u8 acpi_gbl_create_osi_method;
	extern u8 acpi_gbl_use_default_register_widths;
	extern acpi_name acpi_gbl_trace_method_name;
	extern u32 acpi_gbl_trace_flags;
	extern bool acpi_gbl_enable_aml_debug_object;
	extern u8 acpi_gbl_copy_dsdt_locally;
	extern u8 acpi_gbl_truncate_io_addresses;
	extern u8 acpi_gbl_disable_auto_repair;

	/*
	* Hardware-reduced prototypes. All interfaces that use these macros will
	* be configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
	* is set to TRUE.
	*/
	#if (!ACPI_REDUCED_HARDWARE)
	#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
	prototype;

	#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
	prototype;

	#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
	prototype;

	#else
	#define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
	static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}

	#define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
	static ACPI_INLINE prototype {return(AE_OK);}

	#define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
	static ACPI_INLINE prototype {}

	#endif /* !ACPI_REDUCED_HARDWARE */

	extern u32 acpi_rsdt_forced;
	/*
	* Initialization
	*/
	acpi_status
	acpi_initialize_tables(struct acpi_table_desc *initial_storage,
	u32 initial_table_count, u8 allow_resize);

	acpi_status __init acpi_initialize_subsystem(void);

	acpi_status acpi_enable_subsystem(u32 flags);

	acpi_status acpi_initialize_objects(u32 flags);

	acpi_status acpi_terminate(void);

	/*
	* Miscellaneous global interfaces
	*/
	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
	#ifdef ACPI_FUTURE_USAGE
	acpi_status acpi_subsystem_status(void);
	#endif

	#ifdef ACPI_FUTURE_USAGE
	acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer);
	#endif

	const char *acpi_format_exception(acpi_status exception);

	acpi_status acpi_purge_cached_objects(void);

	acpi_status acpi_install_interface(acpi_string interface_name);

	acpi_status acpi_remove_interface(acpi_string interface_name);

	u32
	acpi_check_address_range(acpi_adr_space_type space_id,
	acpi_physical_address address,
	acpi_size length, u8 warn);

	acpi_status
	acpi_decode_pld_buffer(u8 *in_buffer,
	acpi_size length, struct acpi_pld_info **return_buffer);

	/*
	* ACPI Memory management
	*/
	void *acpi_allocate(u32 size);

	void *acpi_callocate(u32 size);

	void acpi_free(void *address);

	/*
	* ACPI table load/unload interfaces
	*/
	acpi_status acpi_load_table(struct acpi_table_header *table);

	acpi_status acpi_unload_parent_table(acpi_handle object);

	acpi_status acpi_load_tables(void);

	/*
	* ACPI table manipulation interfaces
	*/
	acpi_status acpi_reallocate_root_table(void);

	acpi_status acpi_find_root_pointer(acpi_size *rsdp_address);

	acpi_status acpi_unload_table_id(acpi_owner_id id);

	acpi_status
	acpi_get_table_header(acpi_string signature,
	u32 instance, struct acpi_table_header *out_table_header);

	acpi_status
	acpi_get_table_with_size(acpi_string signature,
	u32 instance, struct acpi_table_header **out_table,
	acpi_size *tbl_size);
	acpi_status
	acpi_get_table(acpi_string signature,
	u32 instance, struct acpi_table_header **out_table);

	acpi_status
	acpi_get_table_by_index(u32 table_index, struct acpi_table_header **out_table);

	acpi_status
	acpi_install_table_handler(acpi_table_handler handler, void *context);

	acpi_status acpi_remove_table_handler(acpi_table_handler handler);

	/*
	* Namespace and name interfaces
	*/
	acpi_status
	acpi_walk_namespace(acpi_object_type type,
	acpi_handle start_object,
	u32 max_depth,
	acpi_walk_callback pre_order_visit,
	acpi_walk_callback post_order_visit,
	void context, void *return_value);

	acpi_status
	acpi_get_devices(const char *HID,
	acpi_walk_callback user_function,
	void context, void *return_value);

	acpi_status
	acpi_get_name(acpi_handle object,
	u32 name_type, struct acpi_buffer *ret_path_ptr);

	acpi_status
	acpi_get_handle(acpi_handle parent,
	acpi_string pathname, acpi_handle * ret_handle);

	acpi_status
	acpi_attach_data(acpi_handle object, acpi_object_handler handler, void *data);

	acpi_status acpi_detach_data(acpi_handle object, acpi_object_handler handler);

	acpi_status
	acpi_get_data(acpi_handle object, acpi_object_handler handler, void **data);

	acpi_status
	acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags);

	/*
	* Object manipulation and enumeration
	*/
	acpi_status
	acpi_evaluate_object(acpi_handle object,
	acpi_string pathname,
	struct acpi_object_list *parameter_objects,
	struct acpi_buffer *return_object_buffer);

	acpi_status
	acpi_evaluate_object_typed(acpi_handle object,
	acpi_string pathname,
	struct acpi_object_list *external_params,
	struct acpi_buffer *return_buffer,
	acpi_object_type return_type);

	acpi_status
	acpi_get_object_info(acpi_handle object,
	struct acpi_device_info **return_buffer);

	acpi_status acpi_install_method(u8 *buffer);

	acpi_status
	acpi_get_next_object(acpi_object_type type,
	acpi_handle parent,
	acpi_handle child, acpi_handle * out_handle);

	acpi_status acpi_get_type(acpi_handle object, acpi_object_type * out_type);

	acpi_status acpi_get_id(acpi_handle object, acpi_owner_id * out_type);

	acpi_status acpi_get_parent(acpi_handle object, acpi_handle * out_handle);

	/*
	* Handler interfaces
	*/
	acpi_status
	acpi_install_initialization_handler(acpi_init_handler handler, u32 function);

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_install_global_event_handler
	(acpi_gbl_event_handler handler, void *context))

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_install_fixed_event_handler(u32
	acpi_event,
	acpi_event_handler
	handler,
	void
	*context))
	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_remove_fixed_event_handler(u32 acpi_event,
	acpi_event_handler
	handler))
	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_install_gpe_handler(acpi_handle
	gpe_device,
	u32 gpe_number,
	u32 type,
	acpi_gpe_handler
	address,
	void *context))
	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_remove_gpe_handler(acpi_handle gpe_device,
	u32 gpe_number,
	acpi_gpe_handler
	address))
	acpi_status acpi_install_notify_handler(acpi_handle device, u32 handler_type,
	acpi_notify_handler handler,
	void *context);

	acpi_status
	acpi_remove_notify_handler(acpi_handle device,
	u32 handler_type, acpi_notify_handler handler);

	acpi_status
	acpi_install_address_space_handler(acpi_handle device,
	acpi_adr_space_type space_id,
	acpi_adr_space_handler handler,
	acpi_adr_space_setup setup, void *context);

	acpi_status
	acpi_remove_address_space_handler(acpi_handle device,
	acpi_adr_space_type space_id,
	acpi_adr_space_handler handler);

	#ifdef ACPI_FUTURE_USAGE
	acpi_status acpi_install_exception_handler(acpi_exception_handler handler);
	#endif

	acpi_status acpi_install_interface_handler(acpi_interface_handler handler);

	/*
	* Global Lock interfaces
	*/
	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_acquire_global_lock(u16 timeout,
	u32 *handle))
	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_release_global_lock(u32 handle))

	/*
	* Interfaces to AML mutex objects
	*/
	acpi_status
	acpi_acquire_mutex(acpi_handle handle, acpi_string pathname, u16 timeout);

	acpi_status acpi_release_mutex(acpi_handle handle, acpi_string pathname);

	/*
	* Fixed Event interfaces
	*/
	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_enable_event(u32 event, u32 flags))

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_disable_event(u32 event, u32 flags))

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_get_event_status(u32 event,
	acpi_event_status
	*event_status))
	/*
	* General Purpose Event (GPE) Interfaces
	*/
	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_enable_gpe(acpi_handle gpe_device,
	u32 gpe_number))

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_disable_gpe(acpi_handle gpe_device,
	u32 gpe_number))

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_clear_gpe(acpi_handle gpe_device,
	u32 gpe_number))

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_set_gpe(acpi_handle gpe_device,
	u32 gpe_number, u8 action))

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_finish_gpe(acpi_handle gpe_device,
	u32 gpe_number))

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_setup_gpe_for_wake(acpi_handle
	parent_device,
	acpi_handle gpe_device,
	u32 gpe_number))
	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_set_gpe_wake_mask(acpi_handle gpe_device,
	u32 gpe_number,
	u8 action))
	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_get_gpe_status(acpi_handle gpe_device,
	u32 gpe_number,
	acpi_event_status
	*event_status))

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_get_gpe_device(u32 gpe_index,
	acpi_handle * gpe_device))

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_install_gpe_block(acpi_handle gpe_device,
	struct
	acpi_generic_address
	*gpe_block_address,
	u32 register_count,
	u32 interrupt_number))
	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_remove_gpe_block(acpi_handle gpe_device))

	/*
	* Resource interfaces
	*/
	typedef
	acpi_status(acpi_walk_resource_callback) (struct acpi_resource resource,
	void *context);

	acpi_status
	acpi_get_vendor_resource(acpi_handle device,
	char *name,
	struct acpi_vendor_uuid *uuid,
	struct acpi_buffer *ret_buffer);

	acpi_status
	acpi_get_current_resources(acpi_handle device, struct acpi_buffer *ret_buffer);

	#ifdef ACPI_FUTURE_USAGE
	acpi_status
	acpi_get_possible_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
	#endif

	acpi_status
	acpi_get_event_resources(acpi_handle device_handle,
	struct acpi_buffer *ret_buffer);

	acpi_status
	acpi_walk_resource_buffer(struct acpi_buffer *buffer,
	acpi_walk_resource_callback user_function,
	void *context);

	acpi_status
	acpi_walk_resources(acpi_handle device,
	char *name,
	acpi_walk_resource_callback user_function, void *context);

	acpi_status
	acpi_set_current_resources(acpi_handle device, struct acpi_buffer *in_buffer);

	acpi_status
	acpi_get_irq_routing_table(acpi_handle device, struct acpi_buffer *ret_buffer);

	acpi_status
	acpi_resource_to_address64(struct acpi_resource *resource,
	struct acpi_resource_address64 *out);

	acpi_status
	acpi_buffer_to_resource(u8 *aml_buffer,
	u16 aml_buffer_length,
	struct acpi_resource **resource_ptr);

	/*
	* Hardware (ACPI device) interfaces
	*/
	acpi_status acpi_reset(void);

	acpi_status acpi_read(u64 value, struct acpi_generic_address reg);

	acpi_status acpi_write(u64 value, struct acpi_generic_address *reg);

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_read_bit_register(u32 register_id,
	u32 *return_value))

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_write_bit_register(u32 register_id,
	u32 value))

	/*
	* Sleep/Wake interfaces
	*/
	acpi_status
	acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b);

	acpi_status acpi_enter_sleep_state_prep(u8 sleep_state);

	acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state);

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void))

	acpi_status acpi_leave_sleep_state_prep(u8 sleep_state);

	acpi_status acpi_leave_sleep_state(u8 sleep_state);

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_set_firmware_waking_vector(u32
	physical_address))

	#if ACPI_MACHINE_WIDTH == 64
	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_set_firmware_waking_vector64(u64
	physical_address))
	#endif
	/*
	* ACPI Timer interfaces
	*/
	#ifdef ACPI_FUTURE_USAGE
	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_get_timer_resolution(u32 *resolution))

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))

	ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
	acpi_get_timer_duration(u32 start_ticks,
	u32 end_ticks,
	u32 *time_elapsed))
	#endif /* ACPI_FUTURE_USAGE */

	/*
	* Error/Warning output
	*/
	void ACPI_INTERNAL_VAR_XFACE
	acpi_error(const char *module_name,
	u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);

	void ACPI_INTERNAL_VAR_XFACE
	acpi_exception(const char *module_name,
	u32 line_number,
	acpi_status status, const char *format, ...) ACPI_PRINTF_LIKE(4);

	void ACPI_INTERNAL_VAR_XFACE
	acpi_warning(const char *module_name,
	u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);

	void ACPI_INTERNAL_VAR_XFACE
	acpi_info(const char *module_name,
	u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);

	void ACPI_INTERNAL_VAR_XFACE
	acpi_bios_error(const char *module_name,
	u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);

	void ACPI_INTERNAL_VAR_XFACE
	acpi_bios_warning(const char *module_name,
	u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);

	/*
	* Debug output
	*/
	#ifdef ACPI_DEBUG_OUTPUT

	void ACPI_INTERNAL_VAR_XFACE
	acpi_debug_print(u32 requested_debug_level,
	u32 line_number,
	const char *function_name,
	const char *module_name,
	u32 component_id, const char *format, ...) ACPI_PRINTF_LIKE(6);

	void ACPI_INTERNAL_VAR_XFACE
	acpi_debug_print_raw(u32 requested_debug_level,
	u32 line_number,
	const char *function_name,
	const char *module_name,
	u32 component_id,
	const char *format, ...) ACPI_PRINTF_LIKE(6);
	#endif

	#endif /* __ACXFACE_H__ */